Using this main motor control module is straightforward. First, make sure your washing machine is turned off and unplugged. Then, carefully remove the old module and replace it with this new one. It's designed to fit easily, but if you're not sure, you can always consult a professional. As for maintenance, keep the module dry and clean. Avoid exposing it to water or other liquids. Also, regularly check the connections to ensure they're secure. When using your washing machine, if you notice any strange noises or malfunctions, it might be a sign of a problem. In such cases, check for other issues in the machine as well, like water leaks or problems with the main motor. Remember, damage from external causes like spills or physical impact won't be covered by the warranty, so handle the module with care.